the Houston area, $3.13 billion in total economic benefit, and 24,000 local jobs generated. This is in addition to the 12,500 new graduates the UH System produces every year who enter the workforce in Houston and throughout Texas. These degree-holders tend to stay in Houston. After five years, 80.5 percent of graduates are still living and working in the region. Several private institutions of higher learning—ranging from liberal arts colleges to a nationally recognized research university—are located within the city. Most notably, Rice University, which is one of the leading teaching and research universities in the United States and consistently ranks in the top 20 of best overall universities by U.S. News & World Report. Three community college districts exist with campuses in and around Houston. The Houston Community College System serves most of Houston. The northwestern through northeastern parts of the city are served by various campuses of the Lone Star College System, while the southeastern portion of Houston is served by San Jacinto College, and portions in the northeast are served by Lee College. The Houston Community College and Lone Star College systems are within the 10 largest institutions of higher learning in the United States. Primary and secondary education A 2007 Money survey stated that 91.1% of the students attending schools within the city limits go to public schools and 8.9 percent go to private schools. Public schools All public school systems in Texas are administered by the Texas Education Agency (TEA). 24 school districts serve different sections of the city of Houston. The largest school district serving the city limits is the Houston Independent School District (HISD), which serves a large majority of the area within the city limits. A portion of west Houston falls under the Spring Branch and Alief independent school districts. Aldine takes parts of northern Houston. Parts of Pasadena, Clear Creek, Conroe, Crosby, Cypress-Fairbanks, Fort Bend, Galena Park, Huffman, Humble, Katy, Klein, New Caney, Sheldon, and Spring independent school districts also take students from the city limits of Houston or otherwise cover parts of the Houston city limits. The North Forest Independent School District served portions of Houston until its July 1, 2013 closure, when it was absorbed by Houston ISD. There are also many charter schools that are run separately from school districts, but are administered by the Texas Education Agency. In addition, public school districts—such as Houston ISD and Spring